diff options
Diffstat (limited to 'drivers/s390/scsi')
-rw-r--r-- | drivers/s390/scsi/zfcp_aux.c | 2 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_erp.c | 22 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_ext.h | 2 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 23 |
4 files changed, 20 insertions, 29 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 39a88526679..1f9554e0801 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -60,7 +60,7 @@ static long zfcp_cfdc_dev_ioctl(struct file *, unsigned int, unsigned long); _IOWR(ZFCP_CFDC_IOC_MAGIC, 0, struct zfcp_cfdc_sense_data) -static struct file_operations zfcp_cfdc_fops = { +static const struct file_operations zfcp_cfdc_fops = { .unlocked_ioctl = zfcp_cfdc_dev_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = zfcp_cfdc_dev_ioctl diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 88642dec080..421da1e7c0e 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -838,32 +838,28 @@ zfcp_erp_action_exists(struct zfcp_erp_action *erp_action) * and does appropriate preparations (dismiss fsf request, ...) * * locks: called under erp_lock (disabled interrupts) - * - * returns: 0 */ -static int +static void zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action) { - int retval = 0; - struct zfcp_fsf_req *fsf_req = NULL; struct zfcp_adapter *adapter = erp_action->adapter; if (erp_action->fsf_req) { /* take lock to ensure that request is not deleted meanwhile */ spin_lock(&adapter->req_list_lock); - if ((!zfcp_reqlist_ismember(adapter, - erp_action->fsf_req->req_id)) && - (fsf_req->erp_action == erp_action)) { + if (zfcp_reqlist_ismember(adapter, + erp_action->fsf_req->req_id)) { /* fsf_req still exists */ debug_text_event(adapter->erp_dbf, 3, "a_ca_req"); - debug_event(adapter->erp_dbf, 3, &fsf_req, + debug_event(adapter->erp_dbf, 3, &erp_action->fsf_req, sizeof (unsigned long)); /* dismiss fsf_req of timed out/dismissed erp_action */ if (erp_action->status & (ZFCP_STATUS_ERP_DISMISSED | ZFCP_STATUS_ERP_TIMEDOUT)) { debug_text_event(adapter->erp_dbf, 3, "a_ca_disreq"); - fsf_req->status |= ZFCP_STATUS_FSFREQ_DISMISSED; + erp_action->fsf_req->status |= + ZFCP_STATUS_FSFREQ_DISMISSED; } if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) { ZFCP_LOG_NORMAL("error: erp step timed out " @@ -876,11 +872,11 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action) * then keep it running asynchronously and don't mess * with the association of erp_action and fsf_req. */ - if (fsf_req->status & (ZFCP_STATUS_FSFREQ_COMPLETED | + if (erp_action->fsf_req->status & + (ZFCP_STATUS_FSFREQ_COMPLETED | ZFCP_STATUS_FSFREQ_DISMISSED)) { /* forget about association between fsf_req and erp_action */ - fsf_req->erp_action = NULL; erp_action->fsf_req = NULL; } } else { @@ -894,8 +890,6 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action) spin_unlock(&adapter->req_list_lock); } else debug_text_event(adapter->erp_dbf, 3, "a_ca_noreq"); - - return retval; } /** diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index cda0cc095ad..01386ac688a 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -89,7 +89,7 @@ extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **, u32, u32, struct zfcp_sg_list *); extern void zfcp_fsf_start_timer(struct zfcp_fsf_req *, unsigned long); extern void zfcp_erp_start_timer(struct zfcp_fsf_req *); -extern int zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); +extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); extern int zfcp_fsf_status_read(struct zfcp_adapter *, int); extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *, unsigned long *, struct zfcp_fsf_req **); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 4b3ae3f22e7..ef16f7ca4bb 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -176,28 +176,25 @@ static void zfcp_fsf_req_dismiss(struct zfcp_adapter *adapter, /** * zfcp_fsf_req_dismiss_all - dismiss all remaining fsf requests */ -int zfcp_fsf_req_dismiss_all(struct zfcp_adapter *adapter) +void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *adapter) { struct zfcp_fsf_req *request, *tmp; unsigned long flags; + LIST_HEAD(remove_queue); unsigned int i, counter; spin_lock_irqsave(&adapter->req_list_lock, flags); atomic_set(&adapter->reqs_active, 0); - for (i=0; i<REQUEST_LIST_SIZE; i++) { - if (list_empty(&adapter->req_list[i])) - continue; - - counter = 0; - list_for_each_entry_safe(request, tmp, - &adapter->req_list[i], list) { - zfcp_fsf_req_dismiss(adapter, request, counter); - counter++; - } - } + for (i=0; i<REQUEST_LIST_SIZE; i++) + list_splice_init(&adapter->req_list[i], &remove_queue); + spin_unlock_irqrestore(&adapter->req_list_lock, flags); - return 0; + counter = 0; + list_for_each_entry_safe(request, tmp, &remove_queue, list) { + zfcp_fsf_req_dismiss(adapter, request, counter); + counter++; + } } /* |